科学者は研究室のフラスコで化学物質を研究している。化学者だ。バイオロジスト。微生物学者. - ストックフォト＆画像

A close-up portrait of a chemist wearing safety glasses and protective gloves, holding a flask of blue liquid. Scientist in the lab.

A young male chemist wearing protective glasses and gloves examines a blue chemical solution in a flask in a research laboratory.

Young scientist observing liquid reagent in laboratory

Young male researcher carrying out scientific research in a lab (shallow DOF

Young male researcher carrying out scientific research in a lab

Chemist. A scientist is holding a test tube with a solution.

Close-up of a female doctor wearing protective glasses and gloves taking a sample from a test tube for further analysis of the covid test. Covid test in the lab

A chemistry teacher conducts a demonstration experiment with copper sulfate for his students in the school laboratory. Chemistry lesson. .The process of teaching chemistry students.

A female chemist wearing protective glasses and gloves conducts chemical analytical studies in the laboratory. Analytical chemistry.

A female scientist in protective glasses and gloves stirs the solution in a flask. Scientific research in a modern laboratory. Creating a vaccine in the laboratory.

Close-up of a female doctor wearing protective glasses and gloves taking a sample from a test tube for further analysis of the covid test. Covid test in the lab

A female microbiologist in the laboratory works with samples in a test tube. Working with a microscope and test tubes

Woman wearing safety glasses and gloves takes a sample with a pipette from a test tube of blue solution. Chemist, biologist, scientist in the laboratory. Out of focus. Background

Close-up portrait of a female scientist in protective glasses and gloves with a test tube in her hands. Test tube analysis. Research in the laboratory.